* config/h8300/h8300.md (a peephole2): New.

From-SVN: r64614

gcc/ChangeLog

 2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 
+	* config/h8300/h8300.md (a peephole2): New.
+
+2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>
+
 	* config/h8300/h8300.md (*addsi3_and_r_1): New.
 	(*addsi3_and_not_r_1): Likewise.
 

gcc/config/h8300/h8300.md

@@ -3755,6 +3755,26 @@
 
 (define_peephole2
   [(set (match_operand:SI 0 "register_operand" "")
+	(match_operand:SI 1 "general_operand" ""))
+   (set (match_dup 0)
+	(and:SI (match_dup 0)
+		(match_operand:SI 2 "const_int_qi_operand" "")))]
+  "(TARGET_H8300H || TARGET_H8300S)
+   && !reg_overlap_mentioned_p (operands[0], operands[1])
+   && !(GET_CODE (operands[1]) == MEM && MEM_VOLATILE_P (operands[1]))"
+  [(set (match_dup 0)
+	(const_int 0))
+   (set (strict_low_part (match_dup 3))
+	(match_dup 4))
+   (set (match_dup 0)
+	(and:SI (match_dup 0)
+		(match_dup 5)))]
+  "operands[3] = gen_lowpart (QImode, operands[0]);
+   operands[4] = gen_lowpart (QImode, operands[1]);
+   operands[5] = GEN_INT (~0xff | INTVAL (operands[2]));")
+
+(define_peephole2
+  [(set (match_operand:SI 0 "register_operand" "")
 	(match_operand:SI 1 "memory_operand" ""))
    (set (match_dup 0)
 	(and:SI (match_dup 0)